3211112003231 has 4 divisors (see below), whose sum is σ = 3503031276264. Its totient is φ = 2919192730200.

The previous prime is 3211112003221. The next prime is 3211112003269. The reversal of 3211112003231 is 1323002111123.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3211112003231 is a prime.

It is a super-2 number, since 2×3211112003231² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211112003221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145959636500 + ... + 145959636521.

It is an arithmetic number, because the mean of its divisors is an integer number (875757819066).

Almost surely, 2^{3211112003231} is an apocalyptic number.

3211112003231 is a deficient number, since it is larger than the sum of its proper divisors (291919273033).

3211112003231 is a wasteful number, since it uses less digits than its factorization.

3211112003231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291919273032.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 3211112003231 its reverse (1323002111123), we get a palindrome (4534114114354).

The spelling of 3211112003231 in words is "three trillion, two hundred eleven billion, one hundred twelve million, three thousand, two hundred thirty-one".